66655-67-2

• 常用中文名：3,4-二氢-1H-喹唑啉-2-酮
• 常用英文名：3,4-Dihydroquinazolin-2(1H)-one
• CAS号：66655-67-2
• 分子式：C₈H₈N₂O
• 分子量：148.162
• 发布时间：2018-08-02 13:41:24
• 更新时间：2025-08-24 15:20:28

名称

• 中文名: 3,4-二氢-1H-喹唑啉-2-酮
• 英文名: 3,4-dihydro-1H-quinazolin-2-one
• 中文别名: 3,4-二氢喹唑啉-2(1h)-酮
• 英文别名: Dihydroquinazolinone; 3,4-Dihydroquinazolin-2(1H)-one; 1,2,3,4-tetrahydro-quinazolin-2-on; 3,4-Dihydro-2(1H)-quinazolinone; 2(1H)-Quinazolinone, 3,4-dihydro-

物化性质

• 密度: 1.2±0.1 g/cm3
• 沸点: 257.2±33.0 °C at 760 mmHg
• 熔点: 241-242ºC
• 分子式: C₈H₈N₂O
• 分子量: 148.162
• 闪点: 119.7±25.5 °C
• 精确质量: 148.063660
• PSA: 44.62000
• LogP: 0.86
• 蒸汽压: 0.0±0.5 mmHg at 25°C
• 折射率: 1.565
• 储存条件: 室温，干燥

安全

• 危害码 (欧洲): Xi
• 海关编码: 2933990090

合成路线

201230-82-2 4403-69-4 ~92% 66655-67-2

文献：Yoshida, Tohru; Kambe, Nobuaki; Murai, Shinji; Sonoda, Noboru Bulletin of the Chemical Society of Japan, 1987 , vol. 60, p. 1793 - 1800

107135-39-7 ~80% 66655-67-2

文献：Yoshida, Tohru; Kambe, Nobuaki; Ogawa, Akiya; Sonoda, Noboru Phosphorus and Sulfur and the Related Elements, 1988 , vol. 38, p. 137 - 148

124-38-9 4403-69-4 ~89% 66655-67-2

文献：Paz, Jairo; Perez-Balado, Carlos; Iglesias, Beatriz; Munoz, Luis Journal of Organic Chemistry, 2010 , vol. 75, # 9 p. 3037 - 3046

4403-69-4 105-58-8 ~71% 66655-67-2

文献：Han, Chong; Porco Jr., John A. Organic Letters, 2007 , vol. 9, # 8 p. 1517 - 1520

868-84-8 4403-69-4 ~41% 66655-67-2

文献：Leung, Man-Kit; Lai, Jun-Liang; Lau, King-Hang; Yu, Hsiao-Hua; Hsiao, Hsiang-Ju Journal of Organic Chemistry, 1996 , vol. 61, # 12 p. 4175 - 4179

4403-69-4 ~% 66655-67-2

文献：Brady, Ryan M.; Khakham, Yelena; Lessene, Guillaume; Baell, Jonathan B. Organic and Biomolecular Chemistry, 2011 , vol. 9, # 3 p. 656 - 658

162046-50-6 ~% 66655-67-2

文献：Brady, Ryan M.; Khakham, Yelena; Lessene, Guillaume; Baell, Jonathan B. Organic and Biomolecular Chemistry, 2011 , vol. 9, # 3 p. 656 - 658

1269142-23-5 ~% 66655-67-2 1196-38-9

文献：Brady, Ryan M.; Khakham, Yelena; Lessene, Guillaume; Baell, Jonathan B. Organic and Biomolecular Chemistry, 2011 , vol. 9, # 3 p. 656 - 658

75-44-5 4403-69-4 ~% 66655-67-2

文献：Busch Journal fuer Praktische Chemie (Leipzig), 1895 , vol. <2> 51, p. 126

上下游产品

上游产品  8
201230-82-2 4403-69-4 107135-39-7 124-38-9
105-58-8 868-84-8 162046-50-6 75-44-5
下游产品  0

海关

海关编码	2933990090
中文概述	2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%